body {
    background: #26282c;
    background-image: url(/static/image/home_bg.png);
    background-position: top;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: 960px, 720px;
    font-family: Arial Black, Gadget, "sans-serif";
    color: whitesmoke;
}

div {
    overflow: hidden;

}

ul {

    list-style-type: none;
    margin: 0;
    padding: 0;
    width: 100%;
    overflow: hidden;
    background-color: #333;
    height: 50px;
}

li {
    float: left;
    height: 100%;
}

li a, .dropbtn {
    display: inline-block;
    color: whitesmoke;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    height: 100%;
}

li a:hover, .dropdown:hover, .dropbtn {
    background-color: #111;
}

a {
    text-decoration: none;
}

a:hover {
    color: white;
}

#sadia:hover {
    color: cyan;
}

p {
    color: whitesmoke;
}

.dropdown {
    display: inline-block;

}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: white;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    border-radius: 6px;

}

.dropdown-content a {
    color: grey;
    padding: 12px 16px;
    text-decoration: none;
    display: block;

}

.dropdown-content a:hover {
    /*font-size: larger;*/
    /*background-color: lightskyblue;*/
    color: black;
}

.dropdown:hover .dropdown-content {
    display: block;

}

.breakline-v {
    width: 1px;;
    background-color: red; /* 不支持线性的时候显示 */
    background-image: linear-gradient(to bottom, greenyellow, palevioletred);
}

.breakline-h {
    height: 1px;
    background-color: red; /* 不支持线性的时候显示 */
    background-image: linear-gradient(to right, lightseagreen, purple);
}

.page {

    width: 100%;
    height: 100%;
    border: 1px solid #ddd;
    border-image: -webkit-linear-gradient(#F80, #2ED) 20 20;
    border-image: -moz-linear-gradient(#F80, #2ED) 20 20;
    border-image: -o-linear-gradient(#F80, #2ED) 20 20;
    border-image: linear-gradient(#F80, #2ED) 20 20;

}

video {
    width: 100%;
    height: auto;
}

.greet h1{

}
